JPS64582Y2 - - Google Patents
Info
- Publication number
- JPS64582Y2 JPS64582Y2 JP381283U JP381283U JPS64582Y2 JP S64582 Y2 JPS64582 Y2 JP S64582Y2 JP 381283 U JP381283 U JP 381283U JP 381283 U JP381283 U JP 381283U JP S64582 Y2 JPS64582 Y2 JP S64582Y2
- Authority
- JP
- Japan
- Prior art keywords
- film
- electrode
- heat
- sensitive
- polymer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 229920000642 polymer Polymers 0.000 claims description 18
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 13
- 229910052799 carbon Inorganic materials 0.000 claims description 12
- 239000004745 nonwoven fabric Substances 0.000 claims description 9
- 239000002861 polymer material Substances 0.000 claims description 3
- 239000003795 chemical substances by application Substances 0.000 description 9
- 239000000853 adhesive Substances 0.000 description 7
- 230000001070 adhesive effect Effects 0.000 description 7
- 239000000463 material Substances 0.000 description 5
- 229920000915 polyvinyl chloride Polymers 0.000 description 4
- 239000004800 polyvinyl chloride Substances 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 239000011888 foil Substances 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 229920006122 polyamide resin Polymers 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000011344 liquid material Substances 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- DEXFNLNNUZKHNO-UHFFFAOYSA-N 6-[3-[4-[2-(2,3-dihydro-1H-inden-2-ylamino)pyrimidin-5-yl]piperidin-1-yl]-3-oxopropyl]-3H-1,3-benzoxazol-2-one Chemical compound C1C(CC2=CC=CC=C12)NC1=NC=C(C=N1)C1CCN(CC1)C(CCC1=CC2=C(NC(O2)=O)C=C1)=O DEXFNLNNUZKHNO-UHFFFAOYSA-N 0.000 description 1
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000007772 electrode material Substances 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 239000012943 hotmelt Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
Landscapes
- Thermistors And Varistors (AREA)
Description
【考案の詳細な説明】
本考案はフイルム状感熱センサーの改良に関す
るものである。
電気カーペツト等の面状発熱体に一体化して、
その温度制御に使用するフイルム状感熱センサー
は、高分子感熱性フイルム（例えばイオン性導電
付与剤添加のポリ塩化ビニル樹脂、ポリアミド樹
脂等のフイルム）にアルミ箔電極を熱融着した構
成である。
このフイルム状感熱センサーにおいては、電気
カーペツト等の使用条件上、頻繁に折畳み、展開
が繰り返えされるので、高分子感熱性フイルムと
電極との間の接着強度を大とすることが必要であ
る。しかし、上記従来品では接着強度が50ｇ／10
mmと小さく、その接着強度の向上が望まれてい
る。
従来の上記接着強度の向上に関する提案は、ア
ルミ箔電極と高分子感熱性フイルムとの間の接着
構造を改良するものが大部分であり、電極自体の
材質の改変はほとんど行われていない。而るに上
記感熱センサーにおいては、高分子感熱性フイル
ムの固有インピーダンスが106〜109Ω−cm（90〜
30℃）と高いために、電極の導電性が多少低くて
も、センサー全体の電気抵抗に及ぼす影響は小で
ある。従つて、上記高分子感熱性フイルムと電極
間の接着強度向上のために電極の導電性が多少低
下しても、電気特性上の支障はないと考えられ
る。
本考案はかゝる点に着目し、電極材としてカー
ボン不織布を使用することにより、上記高分子感
熱性フイルムと電極間の接着強度の向上を図つた
ものである。
すなわち、本考案に係るフイルム状感熱センサ
ーは、高分子感熱性フイルムの少なくとも片面に
電極を接合せるセンサーにおいて、カーボン不織
布を導電性付与剤添加の高分子材料に埋設せるフ
イルムを電極に使用し、該フイルムを上記高分子
感熱性フイルムに接合させたことを特徴とする構
成である。
本考案において、カーボン不織布を導電性付与
剤添加の高分子材料に埋設せるフイルムから成る
電極と高分子感熱性フイルムを接合するには、両
者を重ね合わせて直接熱融着する方法、前記電極
又は高分子感熱性フイルムの少なくとも一方に該
高分子感熱性フイルム形成成分を溶解せしめた液
状物を塗布した後、電極と感熱性フイルムを重ね
合わせ、該液状物を介して両者を接着させる方法
等を用い得る。
本考案において、高分子感熱性フイルムには、
イオン性導電付与剤を添加したポリ塩化ビニル又
はポリアミド樹脂のフイルム、あるいはポリアミ
ド樹脂、ビニールハロゲン化樹脂、セルローズエ
ステルのそれぞれの単体のフイルムを使用でき
る。このフイルムの厚みは通常0.1〜５mmである。
導電性付与剤添加の高分子材料には、上記高分
子感熱性フイルムと同じ材料、又はカーボン、金
属等の導電粉末を添加したプラスチツクを使用で
きる。
以下、本考案の実施例について説明する。
実施例 １
第１図において、１は高分子感熱性フイルムで
あり、大きさ100×100mm、厚み0.3mmのイオン性
導電付与剤入りのポリ塩化ビニルフイルムが用い
られている。２，２は電極であり、カーボン不織
布と上記同一のイオン性導電付与剤入りポリ塩化
ビニルフイルムを重ね、これらを温度160℃、圧
力７Kg／cm2、10分間の条件でフイルム状にプレス
成形してある。而して、カーボン不織布でイオン
性導電付与剤添加の塩化ビニルに埋設されてい
る。カーボン不織布のカーボン量は30ｇ／m2であ
る。
上記の高分子感熱性フイルム１、電極２，２
は、上記したプレス成形と同一の条件でプレス成
形されて、相互に熱融着により接合されている。
実施例 ２
ポリエステル系ホツトメルト材（東洋紡績(株)製
バイロン900）にカーボン粉末（キヤボツト社製
バルカンXC−72）を５重量％加え、加熱しなが
ら撹拌したものをプレス機で厚み0.3mmのシート
状に成形し、これらのフイルムで実施例１で使用
したのと同じカーボン不織布を挾み、これらを実
施例１と同じプレス成形条件でフイルム状にプレ
ス成形し、これを電極として使用した。その他の
点は実施例１と同じとした。
比較例
電極として、厚み20μのアルミニウム箔を使用
した点以外は実施例１と同じとした。
上記の各実施例並びに比較例について、電極間
固有イピーダンス並びに耐剥離性を測定したとこ
ろ第１表の通りであり、本考案実施例においては
比較例に較べ、電極がカーボン製であつてその導
電性が小であるにもかゝわらず、固有インピーダ
ンスには影響が殆どなく、他方、電極の特別の構
成（カーボン不織布を導電性付与剤添加の高分子
材料に埋設せるフイルムを電極とし、これを高分
子感熱性フイルムに熱融着させた構成）のため
に、電極の耐剥離性が大である。
尚、本考案は第２図に示すように、高分子感熱
性フイルム１の片面に電極２を設けた構成でも実
施でき、この場合、面状発熱体ｈの端子３と上記
電極２とを感温端子として使用すればよい
上述した通り、本考案によれば、電極の耐剥離
性に秀れたフイルム状感熱センサーを提供でき
る。
【表】[Detailed Description of the Invention] The present invention relates to an improvement of a film-type heat-sensitive sensor. By integrating it into a planar heating element such as an electric carpet,
The film-like heat-sensitive sensor used for temperature control has a structure in which aluminum foil electrodes are heat-sealed to a polymer heat-sensitive film (for example, a film made of polyvinyl chloride resin, polyamide resin, etc., containing an ionic conductivity imparting agent). In this film-type heat-sensitive sensor, it is frequently folded and unfolded due to the usage conditions such as electric carpets, so it is necessary to increase the adhesive strength between the polymer heat-sensitive film and the electrode. . However, the adhesive strength of the above conventional product is 50g/10
It is small in size (mm), and it is desired to improve its adhesive strength. Most of the conventional proposals for improving the adhesive strength described above involve improving the adhesive structure between the aluminum foil electrode and the polymer heat-sensitive film, and almost no changes have been made to the material of the electrode itself. However, in the above heat-sensitive sensor, the specific impedance of the polymer heat-sensitive film is 10 6 to 10 9 Ω-cm (90 to 10 Ω-cm).
30℃), so even if the conductivity of the electrodes is somewhat low, the effect on the electrical resistance of the entire sensor is small. Therefore, even if the conductivity of the electrode decreases to some extent in order to improve the adhesive strength between the polymer heat-sensitive film and the electrode, it is considered that there will be no problem in terms of electrical properties. The present invention focuses on this point and aims to improve the adhesive strength between the above-mentioned polymer heat-sensitive film and the electrode by using a carbon nonwoven fabric as the electrode material. That is, the film-type heat-sensitive sensor according to the present invention is a sensor in which an electrode is bonded to at least one side of a polymer heat-sensitive film, in which a film in which a carbon nonwoven fabric is embedded in a polymer material containing a conductivity imparting agent is used for the electrode, This structure is characterized in that the film is bonded to the polymer heat-sensitive film. In the present invention, in order to bond an electrode consisting of a film in which a carbon nonwoven fabric is embedded in a polymeric material containing a conductivity imparting agent to a polymeric heat-sensitive film, a method is employed in which the two are overlapped and directly heat-sealed, the electrode or After coating at least one side of the polymer heat-sensitive film with a liquid material in which the polymer heat-sensitive film-forming component is dissolved, the electrode and the heat-sensitive film are stacked on top of each other, and the two are bonded together via the liquid material. Can be used. In this invention, the polymer heat-sensitive film includes:
A film of polyvinyl chloride or polyamide resin to which an ionic conductivity imparting agent has been added, or a single film of polyamide resin, vinyl halogenated resin, or cellulose ester can be used. The thickness of this film is usually 0.1 to 5 mm. As the polymer material to which a conductivity imparting agent is added, the same material as the polymer heat-sensitive film, or a plastic to which conductive powder such as carbon or metal is added can be used. Examples of the present invention will be described below. Example 1 In FIG. 1, numeral 1 denotes a polymer heat-sensitive film, which is a polyvinyl chloride film containing an ionic conductivity imparting agent and having a size of 100×100 mm and a thickness of 0.3 mm. Reference numerals 2 and 2 are electrodes, and a carbon nonwoven fabric and a polyvinyl chloride film containing the same ionic conductivity imparting agent as described above are layered, and these are press-molded into a film at a temperature of 160°C and a pressure of 7 kg/cm 2 for 10 minutes. There is. The carbon nonwoven fabric is embedded in vinyl chloride containing an ionic conductivity imparting agent. The carbon content of the carbon nonwoven fabric is 30 g/m 2 . The above polymer thermosensitive film 1, electrodes 2, 2
are press-molded under the same conditions as the press-molding described above, and are joined together by heat fusion. Example 2 5% by weight of carbon powder (Vulcan XC-72, manufactured by Cabot Co., Ltd.) was added to a polyester hot melt material (Bylon 900, manufactured by Toyobo Co., Ltd.), and the mixture was stirred while heating, and a sheet with a thickness of 0.3 mm was formed using a press machine. The same carbon nonwoven fabric used in Example 1 was sandwiched between these films, and these were press-molded into a film under the same press-molding conditions as in Example 1, and this was used as an electrode. Other points were the same as in Example 1. Comparative Example This was the same as Example 1 except that aluminum foil with a thickness of 20 μm was used as the electrode. The inter-electrode specific impedance and peeling resistance of each of the above-mentioned Examples and Comparative Examples were measured and are shown in Table 1. Compared to the Comparative Examples, the electrodes in the Examples of the present invention were made of carbon and their conductivity Despite its low conductivity, it has almost no effect on the intrinsic impedance; on the other hand, the special structure of the electrode (a film in which a carbon non-woven fabric is embedded in a polymeric material containing a conductivity-imparting agent is used as an electrode, and this The electrode has a structure in which it is thermally fused to a polymer heat-sensitive film), so the electrode has great peeling resistance. As shown in FIG. 2, the present invention can also be carried out in a configuration in which an electrode 2 is provided on one side of a polymeric heat-sensitive film 1. In this case, the terminal 3 of the planar heating element h and the electrode 2 are connected to each other. It can be used as a hot terminal As described above, according to the present invention, it is possible to provide a film-like heat-sensitive sensor with excellent electrode peeling resistance. 【table】
第１図は本考案の実施例を示す説明図、第２図
は本考案センサーの使用状態を示す説明図であ
る。
図において１は高分子感熱性フイルム、２，２
は電極である。
FIG. 1 is an explanatory diagram showing an embodiment of the present invention, and FIG. 2 is an explanatory diagram showing the usage state of the sensor of the present invention. In the figure, 1 is a polymer thermosensitive film, 2, 2
is an electrode.
Claims (1)
を接合せるセンサーにおいて、カーボン不織布を
導電性付与剤添加の高分子材料に埋設せるフイル
ムを電極に使用し、該フイルムを上記高分子感熱
性フイルムに接合させたことを特徴とするフイル
ム状感熱センサー。 In a sensor in which an electrode is bonded to at least one side of a polymer heat-sensitive film, a film in which a carbon nonwoven fabric is embedded in a polymer material containing a conductivity imparting agent is used as an electrode, and the film is bonded to the polymer heat-sensitive film. A film-type heat-sensitive sensor characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP381283U JPS59109937U (en) | 1983-01-14 | 1983-01-14 | Film-type thermal sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP381283U JPS59109937U (en) | 1983-01-14 | 1983-01-14 | Film-type thermal sensor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59109937U JPS59109937U (en) | 1984-07-24 |
| JPS64582Y2 true JPS64582Y2 (en) | 1989-01-09 |
Family
ID=30135425
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP381283U Granted JPS59109937U (en) | 1983-01-14 | 1983-01-14 | Film-type thermal sensor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59109937U (en) |
-
1983
- 1983-01-14 JP JP381283U patent/JPS59109937U/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS59109937U (en) | 1984-07-24 |
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